import React, { useEffect } from 'react';
import echarts from 'echarts';
import './china';
import styles from './index.less';
const map = () => {
  useEffect(() => {
    const myChart = echarts.init(document.getElementById('map'));
    const geoCoordMap = {
      上海: [121.4648, 31.2891],
      东莞: [113.8953, 22.901],
      东营: [118.7073, 37.5513],
      中山: [113.4229, 22.478],
      临汾: [111.4783, 36.1615],
      临沂: [118.3118, 35.2936],
      丹东: [124.541, 40.4242],
      丽水: [119.5642, 28.1854],
      乌鲁木齐: [87.9236, 43.5883],
      佛山: [112.8955, 23.1097],
      保定: [115.0488, 39.0948],
      兰州: [103.5901, 36.3043],
      包头: [110.3467, 41.4899],
      北京: [116.4551, 40.2539],
      北海: [109.314, 21.6211],
      南京: [118.8062, 31.9208],
      南宁: [108.479, 23.1152],
      南昌: [116.0046, 28.6633],
      南通: [121.1023, 32.1625],
      厦门: [118.1689, 24.6478],
      台州: [121.1353, 28.6688],
      合肥: [117.29, 32.0581],
      呼和浩特: [111.4124, 40.4901],
      咸阳: [108.4131, 34.8706],
      哈尔滨: [127.9688, 45.368],
      唐山: [118.4766, 39.6826],
      嘉兴: [120.9155, 30.6354],
      大同: [113.7854, 39.8035],
      大连: [122.2229, 39.4409],
      天津: [117.4219, 39.4189],
      太原: [112.3352, 37.9413],
      威海: [121.9482, 37.1393],
      宁波: [121.5967, 29.6466],
      宝鸡: [107.1826, 34.3433],
      宿迁: [118.5535, 33.7775],
      常州: [119.4543, 31.5582],
      广州: [113.5107, 23.2196],
      廊坊: [116.521, 39.0509],
      延安: [109.1052, 36.4252],
      张家口: [115.1477, 40.8527],
      徐州: [117.5208, 34.3268],
      德州: [116.6858, 37.2107],
      惠州: [114.6204, 23.1647],
      成都: [103.9526, 30.7617],
      扬州: [119.4653, 32.8162],
      承德: [117.5757, 41.4075],
      拉萨: [91.1865, 30.1465],
      无锡: [120.3442, 31.5527],
      日照: [119.2786, 35.5023],
      昆明: [102.9199, 25.4663],
      杭州: [119.5313, 29.8773],
      枣庄: [117.323, 34.8926],
      柳州: [109.3799, 24.9774],
      株洲: [113.5327, 27.0319],
      武汉: [114.3896, 30.6628],
      汕头: [117.1692, 23.3405],
      江门: [112.6318, 22.1484],
      沈阳: [123.1238, 42.1216],
      沧州: [116.8286, 38.2104],
      河源: [114.917, 23.9722],
      泉州: [118.3228, 25.1147],
      泰安: [117.0264, 36.0516],
      泰州: [120.0586, 32.5525],
      济南: [117.1582, 36.8701],
      济宁: [116.8286, 35.3375],
      海口: [110.3893, 19.8516],
      淄博: [118.0371, 36.6064],
      淮安: [118.927, 33.4039],
      深圳: [114.5435, 22.5439],
      清远: [112.9175, 24.3292],
      温州: [120.498, 27.8119],
      渭南: [109.7864, 35.0299],
      湖州: [119.8608, 30.7782],
      湘潭: [112.5439, 27.7075],
      滨州: [117.8174, 37.4963],
      潍坊: [119.0918, 36.524],
      烟台: [120.7397, 37.5128],
      玉溪: [101.9312, 23.8898],
      珠海: [113.7305, 22.1155],
      盐城: [120.2234, 33.5577],
      盘锦: [121.9482, 41.0449],
      石家庄: [114.4995, 38.1006],
      福州: [119.4543, 25.9222],
      秦皇岛: [119.2126, 40.0232],
      绍兴: [120.564, 29.7565],
      聊城: [115.9167, 36.4032],
      肇庆: [112.1265, 23.5822],
      舟山: [122.2559, 30.2234],
      苏州: [120.6519, 31.3989],
      莱芜: [117.6526, 36.2714],
      菏泽: [115.6201, 35.2057],
      营口: [122.4316, 40.4297],
      葫芦岛: [120.1575, 40.578],
      衡水: [115.8838, 37.7161],
      衢州: [118.6853, 28.8666],
      西宁: [101.4038, 36.8207],
      西安: [109.1162, 34.2004],
      贵阳: [106.6992, 26.7682],
      连云港: [119.1248, 34.552],
      邢台: [114.8071, 37.2821],
      邯郸: [114.4775, 36.535],
      郑州: [113.4668, 34.6234],
      鄂尔多斯: [108.9734, 39.2487],
      重庆: [107.7539, 30.1904],
      金华: [120.0037, 29.1028],
      铜川: [109.0393, 35.1947],
      银川: [106.3586, 38.1775],
      镇江: [119.4763, 31.9702],
      长春: [125.8154, 44.2584],
      长沙: [113.0823, 28.2568],
      长治: [112.8625, 36.4746],
      阳泉: [113.4778, 38.0951],
      青岛: [120.4651, 36.3373],
      韶关: [113.7964, 24.7028],
    };

    const BJData = [
      [
        {
          name: '北京',
        },
        {
          name: '广州',
          value: 95,
        },
      ],
      [
        {
          name: '北京',
        },
        {
          name: '成都',
          value: 70,
        },
      ],
      [
        {
          name: '北京',
        },
        {
          name: '杭州',
          value: 70,
        },
      ],
      [
        {
          name: '北京',
        },
        {
          name: '青岛',
          value: 70,
        },
      ],
      [
        {
          name: '北京',
        },
        {
          name: '武汉',
          value: 70,
        },
      ],
    ];
    // var planePath = 'path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z';
    const convertData = function (data) {
      const res = [];
      for (let i = 0; i < data.length; i++) {
        let dataItem = data[i];
        let fromCoord = geoCoordMap[dataItem[0].name];
        let toCoord = geoCoordMap[dataItem[1].name];
        if (fromCoord && toCoord) {
          res.push([
            {
              coord: fromCoord,
            },
            {
              coord: toCoord,
            },
          ]);
        }
      }
      return res;
    };
    const color = ['#FFDC3B', '#FFDC3B', '#FFD700'];
    const series = [];
    [['北京', BJData]].forEach(function (item, i) {
      series.push(
        {
          name: '北京',
          type: 'lines',
          zlevel: 1,
          effect: {
            show: true,
            period: 6,
            trailLength: 0.7,
            color: '#DA5D58',
            symbolSize: 2,
          },
          lineStyle: {
            normal: {
              color: color[i],
              width: 0,
              curveness: 0.2,
            },
          },
          data: convertData(item[1]),
        },
        {
          name: '北京',
          type: 'lines',
          zlevel: 2,
          effect: {
            show: true,
            period: 6,
            trailLength: 0,
            // symbol: planePath,
            symbolSize: 8,
          },
          lineStyle: {
            normal: {
              color: color[i],
              width: 2,
              opacity: 0.8,
              curveness: 0.2,
            },
          },
          data: convertData(item[1]),
        },
        {
          // 文字和地点涟漪效果
          name: '北京',
          type: 'effectScatter',
          coordinateSystem: 'geo',
          zlevel: 2,
          rippleEffect: {
            brushType: 'stroke',
          },
          label: {
            normal: {
              show: true,
              position: 'right',
              formatter: '{b}',
            },
            emphasis: {
              // 有这一层为鼠标移入涟漪点才显示文字，去掉这一层那么直接显示文字再地图上
              show: true,
              // position: 'top',
              formatter: '{b}',
              // offset: [10, -4]
            },
          },
          symbolSize: 13, //目标点大小
          itemStyle: {
            normal: {
              color: color[i],
            },
          },
          data: item[1].map(function (dataItem) {
            return {
              // name: dataItem[1].name,//显示省会名称
              value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value]),
            };
          }),
        },
      );
    });
    let option = {
    //   backgroundColor: '#FFFFFF',
    backgroundColor: 'transparent',

      tooltip: {
        // trigger: 'item',
        formatter (params, ticket, callback) { 
            // console.log(params)
            let value = params.value
            if(Array.isArray(value)){ // 鼠标移到涟漪点上不显示浮层
              return ''
            }
            if(value === undefined){ // 鼠标移到路线上不显示浮层
              return ''
            }
            if(isNaN(value)){
              value = 0
            }   
    
            let htmlStr = `
              <div style='font-size:12px;'> ${params.name}</div>
              <p style='text-align:left;margin-top:4px;font-size:12px;'>
                病例数 ${value}<br/>
              </p>
            `
            return htmlStr
          }
      },
      legend: {
        orient: 'vertical',
        top: 'bottom',
        left: 'right',
        textStyle: {
          color: '#fff',
        },
        selectedMode: 'single',
      },
      geo: {
        map: 'china',
        zoom: 1, // 当前视角的缩放比例（地图的放大比例）
        label: {
          normal: {
            show: true, //显示省份标签
            textStyle: { color: '#83C0FF' }, //省份标签字体颜色
          },
          emphasis: {
            show: true,
            textStyle: { color: '#eee' },
          },
        },
        roam: true,
        itemStyle: {
          normal: {
            borderColor: '#4b0082',
            areaColor: '#08418B', //区域颜色
            borderColor: '#03BED3', //区域边框颜色
            borderWidth: 1.2, // 边框描绘
          },
          emphasis: {
            // areaColor: '#1DB7E4'
            borderWidth: 1,
            borderColor: '#eee',
            areaColor: '#1DB7E4',
          },
        },
        regions: [
          {
            //配置单个区域
            name: '北京',
            selected: true, //默认为选中状态
          },
          {
            name: '广东',
            itemStyle: {
              areaColor: '#50c6ed',
            },
          },
          {
            name: '浙江',
            itemStyle: {
              areaColor: '#113f7d',
            },
          },
          {
            name: '四川',
            itemStyle: {
              areaColor: '#3f90fe',
            },
          },
          {
            name: '山东',
            itemStyle: {
              areaColor: '#50c6ed',
            },
          },
          {
            name: '湖北',
            itemStyle: {
              areaColor: '#1561c7',
            },
          },
        ],
      },
      series: [...series,
        {
            // name: '', // 浮动框的标题（上面的formatter自定义了提示框数据，所以这里可不写）
            type: 'map',
            geoIndex: 0,
            label: {
              show: true
            },
            // 这是需要配置地图上的某个地区的数据，根据后台的返回的数据进行拼接（下面是我定义的假数据）
            data: [{
              'name': '浙江',
              'value': 55
            }, {
              'name': '广东',
              'value': 20970
            }, {
              'name': '四川',
              'value': 824
            }, {
              'name': '山东',
              'value': 6892
            }, {
              'name': '湖北',
              'value': 329
            }]
          }
    ],
    };
    myChart.setOption(option);
    window.addEventListener('resize', function () {
      myChart.resize();
    });
  });
  return (
    <>
      <div className={styles.title}>全国乳腺癌数据库参与机构分布</div>
      <div className={styles.cmap}>
        <div className={styles.info}>
           <div className={styles.list}>
               <span>分布省份</span>
               <span>5</span>
           </div>
           <div className={styles.list} style={{marginTop:58}}>
               <span>已加入机构</span>
               <span>6</span>
           </div>
           <div className={styles.list} style={{marginTop:58}}>
               <span>总病例数</span>
               <span>29070</span>
           </div>
           <div>
               <div className={styles.caseTitle}>
                   病例数
               </div>
               <div className={styles.caseContent}>
                   <div className={styles.Clist}>
                       <div className={styles.box} style={{backgroundColor:"#113f7d"}}></div>
                       <span className={styles.caseNum}>小于100</span>
                   </div>
                   <div className={styles.Clist}>
                       <div className={styles.box} style={{backgroundColor:"#1561C7"}}></div>
                       <span className={styles.caseNum}>100~500</span>
                   </div>
                   <div className={styles.Clist}>
                       <div className={styles.box} style={{backgroundColor:"#3F90FE"}}></div>
                       <span className={styles.caseNum}>500~1000</span>
                   </div>
                   <div className={styles.Clist}>
                       <div className={styles.box} style={{backgroundColor:"#50C6ED"}}></div>
                       <span className={styles.caseNum}>大于1000</span>
                   </div>
               </div>
           </div>
        </div>
        <div id="map" className={styles.map}></div>
      </div>
    </>
  );
};

export default map;
